void GuiManager::runLoop() { Dialog *activeDialog = getTopDialog(); bool didSaveState = false; int button; uint32 time; if (activeDialog == 0) return; if (!_stateIsSaved) { saveState(); _theme->enable(); didSaveState = true; _useStdCursor = !_theme->ownCursor(); if (_useStdCursor) setupCursor(); // _theme->refresh(); _redrawStatus = kRedrawFull; redraw(); } Common::EventManager *eventMan = _system->getEventManager(); uint32 lastRedraw = 0; const uint32 waitTime = 1000 / 45; #ifdef ENABLE_KEYMAPPER // Due to circular reference with event manager and GUI // we cannot init keymap on the GUI creation. Thus, let's // try to do it on every launch, checking whether the // map is already existing initKeymap(); eventMan->getKeymapper()->pushKeymap("gui"); #endif while (!_dialogStack.empty() && activeDialog == getTopDialog()) { redraw(); // Don't "tickle" the dialog until the theme has had a chance // to re-allocate buffers in case of a scaler change. activeDialog->handleTickle(); if (_useStdCursor) animateCursor(); // _theme->updateScreen(); // _system->updateScreen(); if (lastRedraw + waitTime < _system->getMillis()) { _theme->updateScreen(); _system->updateScreen(); lastRedraw = _system->getMillis(); } Common::Event event; while (eventMan->pollEvent(event)) { // The top dialog can change during the event loop. In that case, flush all the // dialog-related events since they were probably generated while the old dialog // was still visible, and therefore not intended for the new one. // // This hopefully fixes strange behaviour/crashes with pop-up widgets. (Most easily // triggered in 3x mode or when running ScummVM under Valgrind.) if (activeDialog != getTopDialog() && event.type != Common::EVENT_SCREEN_CHANGED) continue; Common::Point mouse(event.mouse.x - activeDialog->_x, event.mouse.y - activeDialog->_y); if (lastRedraw + waitTime < _system->getMillis()) { _theme->updateScreen(); _system->updateScreen(); lastRedraw = _system->getMillis(); } switch (event.type) { case Common::EVENT_KEYDOWN: activeDialog->handleKeyDown(event.kbd); break; case Common::EVENT_KEYUP: activeDialog->handleKeyUp(event.kbd); break; case Common::EVENT_MOUSEMOVE: activeDialog->handleMouseMoved(mouse.x, mouse.y, 0); break; // We don't distinguish between mousebuttons (for now at least) case Common::EVENT_LBUTTONDOWN: case Common::EVENT_RBUTTONDOWN: button = (event.type == Common::EVENT_LBUTTONDOWN ? 1 : 2); time = _system->getMillis(); if (_lastClick.count && (time < _lastClick.time + kDoubleClickDelay) && ABS(_lastClick.x - event.mouse.x) < 3 && ABS(_lastClick.y - event.mouse.y) < 3) { _lastClick.count++; } else { _lastClick.x = event.mouse.x; _lastClick.y = event.mouse.y; _lastClick.count = 1; } _lastClick.time = time; activeDialog->handleMouseDown(mouse.x, mouse.y, button, _lastClick.count); break; case Common::EVENT_LBUTTONUP: case Common::EVENT_RBUTTONUP: button = (event.type == Common::EVENT_LBUTTONUP ? 1 : 2); activeDialog->handleMouseUp(mouse.x, mouse.y, button, _lastClick.count); break; case Common::EVENT_WHEELUP: activeDialog->handleMouseWheel(mouse.x, mouse.y, -1); break; case Common::EVENT_WHEELDOWN: activeDialog->handleMouseWheel(mouse.x, mouse.y, 1); break; case Common::EVENT_QUIT: return; case Common::EVENT_SCREEN_CHANGED: screenChange(); break; default: break; } } // Delay for a moment _system->delayMillis(10); } #ifdef ENABLE_KEYMAPPER eventMan->getKeymapper()->popKeymap(); #endif if (didSaveState) { _theme->disable(); restoreState(); _useStdCursor = false; } }